Refactor back to a more modular configuration

modules/home-manager/cli/bluetuith.nix

@@ -0,0 +1,41 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+with lib;
+
+let
+  cfg = config.homeManagerModules.cli.bluetuith;
+in
+{
+  options.homeManagerModules.cli.bluetuith.enable = mkEnableOption "Enable bluetuith";
+
+  config = mkIf cfg.enable {
+    home.packages = with pkgs; [
+      bluetuith
+    ];
+
+    xdg.configFile."bluetuith/bluetuith.conf" = {
+      text = ''
+        {
+          adapter: ""
+          adapter-states: ""
+          connect-bdaddr: ""
+          gsm-apn: ""
+          gsm-number: ""
+
+          keybindings: {
+            NavigateDown: j
+            NavigateUp: k
+          }
+
+          receive-dir: ""
+          theme: {}
+        }
+      '';
+    };
+  };
+}